X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground%2Frelocation%2Fpr_coafter_ist_isi.ma;h=50a68b5fbfa1bc65b58438bf42619ba283b4c0a5;hb=742e21da086654af82f308027250d00b50d67f52;hp=d3dc9e6e1365d0df21fa034c83702dbd11567b14;hpb=f8b4eb67c2437f7b5174d7dca46e102e0ac0d19d;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/pr_coafter_ist_isi.ma b/matita/matita/contribs/lambdadelta/ground/relocation/pr_coafter_ist_isi.ma
index d3dc9e6e1..50a68b5fb 100644
--- a/matita/matita/contribs/lambdadelta/ground/relocation/pr_coafter_ist_isi.ma
+++ b/matita/matita/contribs/lambdadelta/ground/relocation/pr_coafter_ist_isi.ma
@@ -21,13 +21,13 @@ include "ground/relocation/pr_coafter_nat_tls.ma".
 
 (*** H_coafter_fwd_isid2 *)
 definition H_pr_coafter_des_ist_sn_isi: predicate pr_map ≝
-           λf1. ∀f2,f. f1 ~⊚ f2 ≘ f → 𝐓❪f1❫ → 𝐈❪f❫ → 𝐈❪f2❫.
+           λf1. ∀f2,f. f1 ~⊚ f2 ≘ f → 𝐓❨f1❩ → 𝐈❨f❩ → 𝐈❨f2❩.
 
 (* Destructions with pr_ist and pr_isi **************************************)
 
 (*** coafter_fwd_isid2_O_aux *)
 corec fact pr_coafter_des_ist_sn_isi_unit_aux:
-           ∀f1. @❪𝟏, f1❫ ≘ 𝟏 → H_pr_coafter_des_ist_sn_isi f1.
+           ∀f1. @❨𝟏, f1❩ ≘ 𝟏 → H_pr_coafter_des_ist_sn_isi f1.
 #f1 #H1f1 #f2 #f #H #H2f1 #Hf
 cases (pr_pat_inv_unit_bi … H1f1) -H1f1 [ |*: // ] #g1 #H1
 lapply (pr_ist_inv_push … H2f1 … H1) -H2f1 #H2g1
@@ -42,8 +42,8 @@ qed-.
 
 (*** coafter_fwd_isid2_aux *)
 fact pr_coafter_des_ist_sn_isi_aux:
-     (∀f1. @❪𝟏, f1❫ ≘ 𝟏 → H_pr_coafter_des_ist_sn_isi f1) →
-     ∀i2,f1. @❪𝟏, f1❫ ≘ i2 → H_pr_coafter_des_ist_sn_isi f1.
+     (∀f1. @❨𝟏, f1❩ ≘ 𝟏 → H_pr_coafter_des_ist_sn_isi f1) →
+     ∀i2,f1. @❨𝟏, f1❩ ≘ i2 → H_pr_coafter_des_ist_sn_isi f1.
 #H0 #i2 elim i2 -i2 /2 width=1 by/ -H0
 #i2 #IH #f1 #H1f1 #f2 #f #H #H2f1 #Hf
 elim (pr_pat_inv_unit_succ … H1f1) -H1f1 [ |*: // ] #g1 #Hg1 #H1